*{
  margin: 0;
  padding: 0;
}
#root{
  display: flex;
  flex-wrap: wrap;

  .headerUtil{
    width: 100vw;
    height: 50px;
    background-color: #fafaf8;
  }

  .leftMaterial{
    width: 300px;
    height: calc(100vh - 50px);
    background-color: #fafaf8;
  }

  #main{
    width: calc(100vw - 500px);
    height: calc(100vh - 50px);
    background-color: #fafaf8;
    border: 10px solid #fff;
    box-sizing: border-box;
  }

  .rightDesign{
    width: 200px;
    height: calc(100vh - 50px);
    background-color: #fafaf8;
  }
}